Mark Mellman

How can Americans favor the Iran deal by 18 or 19 percentage points and oppose it by 8 or 10? They can’t. Yet, in recent days, leading pollsters have offered all of those results.The usual explanations don’t suffice. These differences aren...

I probably shouldn’t tell you this: I deal partly in science, and the more science-y I make it look and sound, the more persuasive I am.I don’t know that from my own experience — though political consulting is built on anecdotes, they can be totally...

Last week ended with a momentous Supreme Court decision legalizing same-sex marriage, while this week closes with the patriotism of the Fourth of July.I’m actually going to try to connect those disparate events in a way that’s relevant to survey...

No one — not the press, not the White House, nor anyone else — should have been truly surprised by the outcome of the House trade vote last week. Republicans frequently oppose bills they actually support, to prevent the president from enjoying...

How did the party of Lincoln become the party of the Confederate flag?It happened in stages. Almost every state that voted Republican in 1896 voted Democratic in 2000, while almost every state that cast its ballot for the Democratic candidate...

"Running government like a business” is a mantra for many politicians, particularly Republicans. Two GOP governors who are trying to become president, Ohio’s John Kasich and Wisconsin’s Scott Walker, made that appeal explicit as they...

How do you expect voters would react to members of Congress supporting a bill that tramples on the rights of states and localities, creates a government bureaucracy to replace a private system that’s working and takes away consumers’ right to know...

Strange behavior has engulfed the Capitol over the last few weeks.Intense conflict remains over trade and NSA surveillance, but the alliances were not dictated exclusively by partisanship. The failure of partisanship to act as the singular divide...